package observer;

/**
 * @Author: Ma JiBin
 * @Email: 1423553596@qq.com
 * @Date: 2018/9/13 10:32
 * @Description: 观察者模式（Observer Pattern）
 */
public class Main {
    public static void main(String[] args) {
        Subject subject = new Subject();

        new HexaObserver(subject);
        new OctalObserver(subject);
        new BinaryObserver(subject);

        System.out.println("First state change: 15");
        subject.setState(15);
        System.out.println("Second state change: 10");
        subject.setState(10);
    }
}
